# spectrum

> representation of a quantity as a function of frequency or wavelength

**Wikidata**: [Q62531](https://www.wikidata.org/wiki/Q62531)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Signal_frequency_spectrum)  
**Source**: https://4ort.xyz/entity/spectrum-q62531


## References

1. Freebase Data Dumps. 2013